BELL WORK: Write down the words that should go into the blue boxes Molecule Transport HIGH to LOW...
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![Page 1: BELL WORK: Write down the words that should go into the blue boxes Molecule Transport HIGH to LOW LOW to HIGH Diffusion Facilitated Diffusion Osmosis Active.](https://reader036.fdocuments.in/reader036/viewer/2022062315/5697bfb61a28abf838c9defb/html5/thumbnails/1.jpg)
BELL WORK: Write down the words that should go into the blue boxes
Molecule TransportHIGH to
LOWLOW to HIGH
Diffusion
Facilitated DiffusionOsmosis
Active Transport
needs energy!
smal
l mol
ecul
es water
no energy!
large moleculesuses transport
proteins
*The blue boxes are HIDING the answers.
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Open journals to page 21
•We will finish our Egg Lab today.
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QUESTION 1
What will happen to a cell if it were placed in an isotonic solution?
A) Get BiggerB) Get smallerC) No change in size
Why? Equal water concentrations inside and outside the cell
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QUESTION 2
What will happen to a cell if it were placed in a hypertonic solution?
A) Get BiggerB) Get smallerC) No change in size
Why? Water will leave the cell
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QUESTION 3
What will happen to a cell if it were placed in a hypotonic solution?
A) Get BiggerB) Get smallerC) No change in size
Why? Water will enter the cell
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QUESTION 4Which one requires energy?
A) diffusionB) facilitated diffusionC) OsmosisD) Active transport
Why? Large molecules are moving AGAINST the concentration gradient
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Question 5
What is the specific type of diffusion, that involves water?A) DiffusionB) Facilitated diffusionC) OsmosisD) Active Transport
Does this process require energy? No this type of diffusion DOES NOT require energy
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Question 6
What are the 3 organelles responsible for the direct production of the protein?A) centriole, mitochondria, ribosomeB) Ribosome, Endoplasmic Reticulum, Golgi apparatusC) Vacuole, cell membrane, ribosomeD) Ribosome, Endoplamsmic Reticulum, mitochondria
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Question 7
Which organelle lets things in and out of the cell?
A) RibosomeB) MitochondriaC) Golgi ApparatusD) Cell Membrane
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Question 8
What is the “BASIC UNIT” of life?
A) AtomsB) CellsC) MoleculesD) Compounds
Atoms are smaller than cells but they are NOT alive
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Question 9
A) That 2 prokaryotes made 2 eukaryotic cellsB) That 2 eukaryotic cells made 2 prokaryotic cellsC) That 2 prokaryotic cells made 1 eukaryotic cellD) That 2 prokaryotic cells broke apart to form a eukaryotic
cell
The diagram to the right shows that….
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Question 10When you see the words…..”maintain a stable internal environment”, you should think?
A) Active transportB) Concentration gradientC) permeabilityD) homeostasis (a state of balance)
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Question 11
What component of the cell membrane helps communicate the most with other cells?A)The proteinsB)The carbohydratesC)The lipidsD)They don’t communicate
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Question 12
What is the final goal of diffusion?
A) Cells like to move around stuffB) To move as much stuff as possibleC) To reach a concentration equilibriumD) To move from Low to High concentration
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Question 13
Facilitated diffusion is a process that involves the movement of?
A) Water moleculesB) Stuff from Low to High concentrationsC) small molecules through the proteinsD) LARGE molecules though the proteins
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What is a selectively permeable membrane?A) A membrane that NOTHING can get inB) A membrane that everything can get inC) A membrane that only some things can
get in
Question 14
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Question 15 (What is at A? The Golgi Apparatus
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Question 16 (What is at D? ) The Nucleus
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Question 17 (What is at E? ) The Ribosomes
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18. The picture below represents a container separated by a membrane. The black dots represent glucose molecules. According to the diagram, in which direction will osmosis occur if the membrane is impenetrable to the glucose.
This question is asking about the direction of osmosis (water). The side marked A has more pure water than side B, therefore Osmosis will occur to the right. In this question we are NOT focusing on the particles, we are looking at WATER concentration.
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19. A lab technician needs to determine whether cells in a test tube are prokaryotic or eukaryotic. The technician has several dyes she could use to stain the cells. Four of the dyes are described in the table below.
Which dye could the technician use to determine whether the cells are prokaryotic or eukaryotic? Since the nucleus is a distinctive feature then “Nile Blue” is the dye the technician should use to determine if it’s prokaryotic or eukaryotic
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20. What type of transport is being used to move the top H+ molecule? The example
in the box is Active Transport. There is ATP present and the molecule is moving from LOW to HIGH concentration through the protein.
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21. What type of transport is being used to move the sucrose molecule?
*Hint…what process do you know it is NOT
The example in the box is Facilitated Diffusion. The molecule is moving through a protein and NO ATP is needed.
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22. What is part D in the diagram?
What does it do for the cell?
“D” is the protein component of the cell membrane. It allows LARGE molecules to pass in and out of the cell.
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23.A kidney consists of a large number of very small tubes called kidney tubules. Some of the cells which line these
tubules are able to absorb glucose. The diagram shows how these cells absorb glucose from the contents of the tubule and secrete it into the blood.
G lu co se m o v e s in to ce ll b y
fac ilita ted d iffu s io n
In s id e o fk id n ey tu b u le C ell B lo o d
G lu c o se sec re ted fro m c e ll
b y a c tiv e tra nsp o rt
O rg a n elle A
Glucose moves into the cell by facilitated diffusion. Osmosis also takes place across the plasma membrane. Give two differences between facilitated diffusion and osmosis.
The actual question is boxed below. Always find the question first.
Difference 1: Osmosis only deals with WATER
Difference 2: Facilitated Diffusion requires a Protein channel